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Elenna [48]
3 years ago
5

What are the slopes. VERY EASY 4 YOU

Mathematics
2 answers:
densk [106]3 years ago
6 0

Answer:

1)- 2/6=-1/3 2)3

Step-by-step explanation:

kondaur [170]3 years ago
4 0

Step-by-step explanation:

A to B -1/3

B to C 3

C to D -1/3

D to A 3

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Jack got the expression 7x+1 and then wrote his answer as 1+7x . is his answer an equivalent expression? how do you know?
Solnce55 [7]
True. According to the Commutative Property <span>of addition, the numbers could be put in any order and still result in the same answer. </span>



3 0
3 years ago
What is the answer to 2
nirvana33 [79]
3(2x+1) If you multiply this out, you will get 6x+3. 

A = 4(6x + 3)
A = 4(6x) + 4(3)
A = 24x + 12

The answer is 24x+12.
8 0
3 years ago
Read 2 more answers
What is 0.18 continued as a fraction? 15 points, and branliest for whoever answers first!
quester [9]

Answer:

18/100 or 9/50

Step-by-step explanation:

0.18 = 0.18/1

times 100 then 18/100

divided by 2 then 9/50

3 0
2 years ago
A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius o
Maru [420]
Volume of the cylinder = πr²h = π(1)² (21) = 21π cm³

Volume of the cone = 1/3 π r² h

21π = 1/3 π (r)² (7)

r³ = 21π ÷ (7/3 π) 

r² = 9

r = 3

Answer : Radius = 3
3 0
3 years ago
For the problem, use the discriminant to determine the number of real solutions for the equation. Then, find the solutions and c
Ksivusya [100]

Answer:

Discriminant = 55.2 > 0 -> 2 real solutions

Solutions: t1 = -1.1663 s and t2 = 0.35 s

The solution t1 doesn't make sense for this problem, as we can't have a negative value for the time.

So the solution is t2 = 0.35 s

Step-by-step explanation:

To find the time when the ball will reach the height of 2 meters, we just need to use the value of h = 2 in the equation given. So, we have that:

−4.9t^2 − 4t + 4 = 2

−4.9t^2 − 4t + 2 = 0

For this equation, we have the constants a = -4.9, b = -4 and c = 2. So the discriminant Delta is:

Delta = b^2 - 4ac = 16 + 39.2 = 55.2

sqrt(Delta) = 7.4297

As Delta > 0, we have 2 real solutions

t1 = (-b + sqrt(Delta)) / 2a = (4 + 7.4297) / (-9.8)  = -1.1663 s

t2 = (-b - sqrt(Delta)) / 2a = (4 - 7.4297) / (-9.8)  = 0.35 s

Number of real solutions: 2

Solutions: t1 = -1.1663 s and t2 = 0.35 s

The solution t1 doesn't make sense for this problem, as we can't have a negative value for the time.

So the solution is t2 = 0.35 s

8 0
3 years ago
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